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[Eye manifestations of basicranial aneurysms]

S Z Leng¹, X Q Lu, J H Zhao

¹Department of Ophthalmology, Xuan Wu Hospital, Capital Institute of Medicine, Beijing.

[Zhonghua Yan Ke Za Zhi] Chinese Journal of Ophthalmology

|January 1, 1994

Summary

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Basicranial aneurysms commonly cause eye pain, double vision, and visual impairment. Oculomotor nerve palsy is frequent, affecting eyelid and pupil function, but bitemporal hemianopsia is rare.

Area of Science:

Neuro-ophthalmology
Neurology
Vascular Neurology

Context:

Basicranial aneurysms present unique challenges in diagnosis and management.
Understanding the spectrum of neurological deficits is crucial for patient care.

Purpose:

To elucidate the specific eye manifestations and cranial nerve involvement in patients with basicranial aneurysms.
To correlate anatomical location with neurological deficits.

Summary:

A review of 146 basicranial aneurysm cases identified key eye symptoms: pain, diplopia, ptosis, and visual impairment.
Oculomotor nerve paralysis was most common, followed by abducent nerve involvement; trochlear and trigeminal nerves were less affected.
Oculomotor nerve palsy initially impacted the levator muscle and pupils; bitemporal hemianopsia was not observed in aneurysms near the optic chiasma.

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Impact:

Provides critical insights into the neuro-ophthalmic complications of basicranial aneurysms.
Aids clinicians in anticipating and diagnosing specific cranial nerve palsies based on aneurysm location.
Highlights the distinct pattern of visual field defects, differentiating from other optic pathway lesions.